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  <script>
    //声明常量
    const SCHOOL = '尚硅谷';
    
    //1.一定要赋初始值
    // const A; //报错
    //2.一般常量使用大写(非语法要求，是潜规则，开发规范)
    //const a = 100;
    //3.常量的值不能修改
    // SCHOOL = 'ATGUIGU';
    //4.块级作用域
    // {
    //   const PLAYER = 'UZI';
    // }
    // console.log(PLAYER);
    //5.对于数组和对象的元素修改，不算做对常量的修改，不会报错。
    const TEAM = ['UZI', 'MXLG', 'Ming', 'Letme'];
    TEAM.push('Meiko');


    console.log(SCHOOL);
  </script>
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